millenarian (n.)youdaoicibaDictYouDict[millenarian 词源字典]
1550s, "one who believes in the coming of the (Christian) millennium," from Latin millenarius (see millennium) + -ian. As an adjective, "pertaining to the millennium," from 1630s. Related: Millennarianism.[millenarian etymology, millenarian origin, 英语词源]